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发明名称
摘要
申请公布号
JPH0713860(Y2)
申请公布日期
1995.04.05
申请号
JP19870195835U
申请日期
1987.12.25
申请人
发明人
分类号
B21D37/10;B21D37/14;(IPC1-7):B21D37/10
主分类号
B21D37/10
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代理人
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